Release Asset Management (#619)

Add release asset management. This includes a series of subcommands under `tea release assets`:

-  `tea release assets create <release-tag> <asset> [<asset>...]`: Upload one or more release attachments
- `tea release assets delete <release tag> <attachment name> [<attachment name>...]`: Delete one or more release attachments
- `tea release assets list <release tag>`: List Release Attachments

Co-authored-by: Dane Bouchie <dbouchie@iradimed.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/619
Co-authored-by: danebou <danebou@noreply.gitea.com>
Co-committed-by: danebou <danebou@noreply.gitea.com>

cmd/attachments/delete.go

@@ -0,0 +1,100 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package attachments
+
+import (
+	"fmt"
+
+	"code.gitea.io/tea/cmd/flags"
+	"code.gitea.io/tea/modules/context"
+
+	"code.gitea.io/sdk/gitea"
+	"github.com/urfave/cli/v2"
+)
+
+// CmdReleaseAttachmentDelete represents a sub command of Release Attachments to delete a release attachment
+var CmdReleaseAttachmentDelete = cli.Command{
+	Name:        "delete",
+	Aliases:     []string{"rm"},
+	Usage:       "Delete one or more release attachments",
+	Description: `Delete one or more release attachments`,
+	ArgsUsage:   "<release tag> <attachment name> [<attachment name>...]",
+	Action:      runReleaseAttachmentDelete,
+	Flags: append([]cli.Flag{
+		&cli.BoolFlag{
+			Name:    "confirm",
+			Aliases: []string{"y"},
+			Usage:   "Confirm deletion (required)",
+		},
+	}, flags.AllDefaultFlags...),
+}
+
+func runReleaseAttachmentDelete(cmd *cli.Context) error {
+	ctx := context.InitCommand(cmd)
+	ctx.Ensure(context.CtxRequirement{RemoteRepo: true})
+	client := ctx.Login.Client()
+
+	if ctx.Args().Len() < 2 {
+		return fmt.Errorf("No release tag or attachment names specified.\nUsage:\t%s", ctx.Command.UsageText)
+	}
+
+	tag := ctx.Args().First()
+	if len(tag) == 0 {
+		return fmt.Errorf("Release tag needed to delete attachment")
+	}
+
+	if !ctx.Bool("confirm") {
+		fmt.Println("Are you sure? Please confirm with -y or --confirm.")
+		return nil
+	}
+
+	release, err := getReleaseByTag(ctx.Owner, ctx.Repo, tag, client)
+	if err != nil {
+		return err
+	}
+
+	existing, _, err := client.ListReleaseAttachments(ctx.Owner, ctx.Repo, release.ID, gitea.ListReleaseAttachmentsOptions{
+		ListOptions: gitea.ListOptions{Page: -1},
+	})
+	if err != nil {
+		return err
+	}
+
+	for _, name := range ctx.Args().Slice()[1:] {
+		var attachment *gitea.Attachment
+		for _, a := range existing {
+			if a.Name == name {
+				attachment = a
+			}
+		}
+		if attachment == nil {
+			return fmt.Errorf("Release does not have attachment named '%s'", name)
+		}
+
+		_, err = client.DeleteReleaseAttachment(ctx.Owner, ctx.Repo, release.ID, attachment.ID)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func getReleaseAttachmentByName(owner, repo string, release int64, name string, client *gitea.Client) (*gitea.Attachment, error) {
+	al, _, err := client.ListReleaseAttachments(owner, repo, release, gitea.ListReleaseAttachmentsOptions{
+		ListOptions: gitea.ListOptions{Page: -1},
+	})
+	if err != nil {
+		return nil, err
+	}
+	if len(al) == 0 {
+		return nil, fmt.Errorf("Release does not have any attachments")
+	}
+	for _, a := range al {
+		if a.Name == name {
+			return a, nil
+		}
+	}
+	return nil, fmt.Errorf("Attachment does not exist")
+}